** Changed in: neutron
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1595762
Title:
HTTPS connection failing for Docker >= 1.10
Status in neutron:
Invalid
Bug description:
We experience problems with outgoing HTTPS connections from Docker
containers when running in OpenStack VMs.
We assume this could be a bug in OpenStack because:
- Ubuntu 14, 16 and CoreOS show the same problems
- While there are no problems with Docker 1.6.2 and 1.9.1, it fails with
Docker 1.10 and 1.11
- The same containers work outside OpenStack
- We found similar problem descriptions in the web that occured on other
OpenStack providers
The issue can easily be reproduced with:
1.) Installing a docker version >= 1.10
2.) docker run -it ubuntu apt-get update
Expected output: Ubuntu updates its package list
Actual output: Download does not start and runs into a timeout
The same problem seems to occur with wget and curl and our Java
application.
Please note that plain HTTP works as expected, so does issuing the
Https requests from the Docker host machine.
Disabling network virtualization with Docker flag --net="host" fixes
the problems with wget, curl and apt-get, unfortunately not with the
Java app we're trying to deploy in OpenStack.
For our current project this is actually a blocker since CoreOS comes
bundled with a recent Docker version which is not trivial to
downgrade.
I can't see any version information in the Horizon interface of our
provider, however I think I heard they are using Mitaka release.
Links:
- Related issue at Docker: https://github.com/docker/docker/issues/20178
- ServerFault question by me:
http://serverfault.com/questions/785768/https-request-fails-in-docker-1-10-with-virtualized-network
- StackOverflow question by someone else:
http://stackoverflow.com/questions/35300497/docker-container-not-connecting-to-https-endpoints
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